The machadodorp tuff and agglomerate, which is higher-lying than the ongeluck lave, is known only from the eastern transvaal . 層位較昂格魯克巖流為高的馬卻多多普凝灰?guī)r及集塊巖,只見于德蘭士瓦東部。
How to enhance chinese people ' s tuff 如何通過歷史教育提高中華民族的素質(zhì)
This kind of rock is called tuff 這里的巖質(zhì)呢是凝灰?guī)r。
I m gonna catch your bluff tuff rough , kickin rhymes like jim kelly 除非親耳又聽到你像上次忍心迫我舍棄
Tuff (from the Italian tufo) is a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption. Tuff is sometimes called tufa, particularly when used as construction material, although tufa also refers to a quite different rock.